| 评估日期 | 买入价 | 卖出价 |
| 2011.04.15 | 9.280148 | 9.098185 |
| 2011.04.14 | 9.195543 | 9.015238 |
| 2011.04.13 | 9.216319 | 9.035607 |
| 2011.04.12 | 9.268149 | 9.086421 |
| 2011.04.11 | 9.193435 | 9.013171 |
| 2011.04.08 | 9.147994 | 8.968622 |
| 2011.04.07 | 9.152569 | 8.973107 |
| 2011.04.06 | 9.074984 | 8.897043 |
| 2011.04.01 | 9.129221 | 8.950216 |
| 2011.03.31 | 9.115742 | 8.937002 |